ALLEN BRADLEY 702-BOA-92 Automation

( Brand: Allen Bradley ), ( Manufacturer Part Number: 702-BOA-92 )

Review ALLEN BRADLEY 702boa92 Used

The **Allen-Bradley 702-BOA-92** is a high-performance, compact, and versatile **120VAC/24VDC power supply module** designed for integration into industrial automation systems, particularly within the **CompactLogix, ControlLogix, and other Allen-Bradley PLC architectures**. This module is part of the **702 series**, a robust line of power supplies engineered to deliver reliable, clean, and regulated power to control systems in demanding environments. With a **92-watt output capacity**, the 702-BOA-92 provides sufficient energy to power a single CompactLogix processor module, along with additional I/O modules, communication devices, and peripheral components, ensuring seamless operation in factory automation, process control, and machine-level applications.

Featuring a **dual-voltage input capability**, the 702-BOA-92 accepts both **120VAC (100 132VAC)** and **24VDC (19.2 30VDC)** power sources, offering flexibility in deployment across diverse electrical infrastructures. This adaptability is particularly advantageous in facilities where power availability may vary, allowing engineers to select the most efficient and cost-effective power input based on local conditions. The module is equipped with **overvoltage, overcurrent, and short-circuit protection**, along with **reverse polarity protection**, safeguarding connected equipment from potential damage due to electrical anomalies. Additionally, its **wide operating temperature range ( 40 C to 70 C)** and **IP65-rated enclosure** ensure durability in harsh industrial settings, including exposure to dust, moisture, and temperature fluctuations.

The 702-BOA-92 is designed with **modularity and ease of installation** in mind, featuring a **standard 16-pin connector** that simplifies integration into Allen-Bradley backplanes or power distribution units. Its compact form factor (measuring approximately **1.5 inches wide x 3.5 inches tall**) allows for efficient use of space within control panels, while its **low-profile design** minimizes footprint requirements. The module also incorporates **efficient power conversion technology**, delivering high reliability with minimal heat dissipation, which reduces the need for additional cooling solutions in enclosed environments. Furthermore, the 702-BOA-92 is **compatible with the Allen-Bradley PowerFlex and other high-efficiency motor drives**, making it an ideal choice for applications requiring precise power regulation and stability.

Beyond its technical specifications, the 702-BOA-92 is engineered with **industrial-grade reliability**, featuring **long-term stability and low failure rates**, which are critical for maintaining continuous operation in automated manufacturing processes. Its **low electromagnetic interference (EMI) emissions** ensure compliance with regulatory standards, reducing the risk of signal degradation in adjacent electronic systems. The module also supports **remote monitoring and diagnostics** through compatible Allen-Bradley programming software, enabling predictive maintenance and reducing downtime. Whether deployed in a **discrete manufacturing plant, a process control facility, or a distributed automation system**, the 702-BOA-92 delivers a dependable power solution that enhances system performance while minimizing operational risks.

### **Pros and Cons of buying a Allen-Bradley 702-BOA-92 (702BOA92)**

The **Allen-Bradley 702-BOA-92** is a **120VAC, 24VAC/VDC, 2A, 24VAC/VDC output, 2-wire power supply** commonly used in industrial automation, PLC systems, and control panels. Below is a detailed analysis of its advantages and disadvantages.

---

### **Pros**

1. **Reliability and Brand Reputation**

- Allen-Bradley (now part of Rockwell Automation) is a well-established manufacturer with a strong track record in industrial automation. Their components are designed for harsh environments, ensuring long-term durability.

- The 702 series is a legacy but well-supported product, meaning spare parts and technical resources are still available.

2. **Wide Voltage Input Range**

- Accepts **100 132VAC**, making it suitable for global applications where voltage fluctuations are common.

- This flexibility reduces the need for additional voltage regulators in some setups.

3. **Compact and Space-Efficient Design**

- The **1/8 DIN rail mount** allows for easy integration into control panels without consuming excessive space.

- Suitable for applications where space is limited, such as in compact PLC enclosures.

4. **Low Power Consumption**

- Operates at **2A output**, which is efficient for powering low-power devices like sensors, relays, or small actuators.

- Minimal heat generation, reducing cooling requirements in enclosed systems.

5. **Compatibility with Legacy Systems**

- Designed to work with **Allen-Bradley PLCs (e.g., SLC 500, PLC-5, Micro800)** and other industrial controllers.

- Often used in **24VAC/VDC signaling circuits**, making it a standard choice for older automation setups.

6. **Overvoltage and Surge Protection**

- Includes **transient voltage suppression** to protect against power spikes, extending the lifespan of connected devices.

- Some models in the 702 series feature **reverse polarity protection**, though this may vary by variant.

7. **Easy Installation and Wiring**

- Standard **terminal block connections** simplify wiring for technicians.

- No complex configuration required plug-and-play for basic power supply needs.

8. **Cost-Effective for Basic Applications**

- Compared to newer, more advanced power supplies, this unit is **affordable** for simple 24VAC/VDC power requirements.

- Avoids the need for additional isolation transformers in some cases.

---

### **Cons**

1. **Limited Output Current**

- Only **2A output**, which may be insufficient for high-power loads (e.g., large motors, high-current relays, or multiple high-draw devices).

- Requires additional power supplies if multiple 24VAC devices need to be powered simultaneously.

2. **No Built-In Current Limiting or Fusing**

- Unlike some modern power supplies, the **702-BOA-92 lacks built-in overcurrent protection** beyond basic transient suppression.

- Users must rely on **external fuses or circuit breakers** to prevent damage from short circuits or overloads.

3. **No Digital Communication or Monitoring**

- **No RS-485, Modbus, or other communication interfaces** it is a **dumb power supply** with no diagnostic capabilities.

- Cannot monitor voltage, current, or efficiency remotely.

4. **Potential for Voltage Drop Under Load**

- At **2A output**, there may be slight voltage sag when the load approaches maximum capacity, which could affect sensitive devices.

- Not ideal for applications requiring **strict voltage regulation** (e.g., some PLC inputs or high-precision sensors).

5. **Limited Lifespan Compared to Modern Units**

- While durable, **older power supplies may have shorter lifespans** than newer, more efficient models due to less advanced cooling and materials.

- Potential for **electrolytic capacitor failure** over time, which can lead to power supply failure.

6. **No Adjustable Output Voltage**

- Fixed **24VAC output**, meaning it cannot be adjusted for different voltage requirements.

- If a different voltage is needed, an additional converter may be required.

7. **Availability and Obsolescence Concerns**

- As a **legacy product**, parts may become harder to find over time, especially if Rockwell Automation discontinues support.

- Some distributors may charge premium prices for stock due to limited supply.

8. **No Environmental Certifications for Harsh Conditions**

- While robust, it may **lack IP67/IP65 ratings** or other extreme-environment certifications found in newer industrial power supplies.

- Not ideal for **outdoor, high-vibration, or corrosive environments** without additional protection.

---

### **Conclusion**

The **Allen-Bradley 702-BOA-92** is a **reliable, cost-effective power supply** well-suited for **basic 24VAC/VDC applications** in industrial automation, particularly where compatibility with legacy systems is required. Its **compact size, wide input range, and simplicity** make it a practical choice for low-power signaling circuits, sensor powering, and small relay control systems.

However, its **limited current capacity, lack of advanced protection features, and absence of digital monitoring** mean it is **not ideal for high-power or modern automation setups**. If the application demands **higher current, better efficiency, or remote diagnostics**, a **newer power supply (e.g., Rockwell s 702 series with enhanced features or a third-party industrial-grade unit)** would be a better long-term investment.

---

### **Recommendation**

- You need a **simple, low-cost 24VAC power supply** for a **legacy PLC or control system**.

- Your application involves **low-power devices (sensors, relays, small actuators)** with **stable 100 132VAC input**.

- You require **DIN-rail mounting** in a **compact control panel**.

- You are working in an environment where **modern power supplies are not compatible** with existing hardware.

- You need **higher current output (above 2A)** or **multiple high-power devices**.

- Your application requires **remote monitoring, communication, or advanced protection features**.

- You are working in a **harsh environment (extreme temperatures, high humidity, vibration)** without additional protection.

- You plan to **upgrade to newer automation systems** in the future, as newer power supplies may offer better efficiency and support.

- **Rockwell 702 Series with Higher Current (e.g., 702-BOA-120 for 10A output)** If more current is needed.

- **Third-Party Industrial Power Supplies (e.g., Power-One, Emerson, or Delta)** For better efficiency, monitoring, and warranty support.

- **Switching Power Supplies (e.g., 24VAC/VDC with built-in surge protection)** For modern applications requiring better regulation and protection.

In summary, the **702-BOA-92 is a solid choice for basic, low-power industrial applications**, but for more demanding or future-proof setups, investing in a **modern alternative** may be justified.

Details:

Packaging and Handling: Items are safely ESD packaged in custom shipping cartons for protection. All products are guaranteed to be working but may show signs of use if purchasing a used product. Call to use a shipping service other than the ones listed. Sells new and surplus product develops channels to purchase such.

part #: 702boa92 prices

• $50.00-$204.00

specifications automationjack:

• brand: Allen Bradley
• mpn: 702-boa-92

payments automationjack:

• other
• wallet: Google-pay
• credit card: Visa

returns automationjack:

• method: Money back
• policy: Returns Accepted
• time: 30 Days
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general automationjack:

• Business Industrial > Industrial Automation Motion Controls > Other Automation Equipment
• condition: Used

offer automationjack:

• options: Ship-to-home
• sold: 0
• quantity: 1
• availability: In Stock
• started: February 25, 2026

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• # reviews: 191602
• city: 1 Millennium Dr, Willingboro, NJ 08046
• rating: 99.6%

shipping automationjack:

• class: Standard
• type: Fixed
• transit: 24-37 Days
• cost: $12.90
• service: Standard

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